- 23 9月, 2009 1 次提交
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由 Anton Vorontsov 提交于
This makes it consistent with other buses (platform, i2c, vio, ...). I'm not sure why we use the prefixes, but there must be a reason. This was easy enough to do it, and I did it. Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Jean Delvare <khali@linux-fr.org> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dmitry Torokhov <dtor@mail.ru> Cc: Samuel Ortiz <sameo@openedhand.com> Cc: "John W. Linville" <linville@tuxdriver.com> Acked-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 21 9月, 2009 1 次提交
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 17 9月, 2009 2 次提交
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由 Linus Walleij 提交于
This adds support for the RTC found inside the AB3100 Mixed Signal chip. The symbols used for communicating with the chip is found in the mfd/ab3100-core.c driver that also provides the platform device. Signed-off-by: NLinus Walleij <linus.walleij@stericsson.com> Acked-by: NAlessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
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由 Mark Brown 提交于
The WM831x series of PMICs contain RTC functionality. The hardware provides a 32 bit counter incrementing at 1Hz together with a per tick interrupt and an alarm value. For simplicity the driver chooses to define the epoch for the counter as the Unix epoch - if required platform data can be used in future to customise this. When powered on from a completely cold state the RTC reports that it has not been configured - when this happens an error is returned when attempting to read the RTC in order to avoid use of values we know to be invalid. The hardware also provides security features which mean that it can ignore attempts to set the RTC time in certain circumstances, most notably if the RTC is written to too often. These errors are detected by verifying the written RTC value. Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
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- 16 9月, 2009 1 次提交
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由 Nicolas Pitre 提交于
Due to problems at cam.org, my nico@cam.org email address is no longer valid. FRom now on, nico@fluxnic.net should be used instead. Signed-off-by: NNicolas Pitre <nico@fluxnic.net> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 09 9月, 2009 1 次提交
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由 Paul Mundt 提交于
With the reordered init order, the rtc device is not registered until later, while sh_rtc_irq_set_freq() was attempting to assign ->irq_freq directly, resulting in an oops. This is handled by the upper layers for us, so just kill off the problematic dereference completely. Reported-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 20 8月, 2009 3 次提交
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由 Paul Mundt 提交于
There were a few stray unused variables left over, kill them off. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Alessandro Zummo 提交于
- simplifies irq set freq - ioctl() was duplicating functionalities of rtc-dev core - corrected initialization sequence - use platform_driver_probe Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: Angelo Castello <angelo.castello@st.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Jamie Lenehan <lenehan@twibble.org> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Alessandro Zummo 提交于
- removed spinlock protection, it's handled by the rtc class - use platform_driver_probe - return appropriate code for rtc_read_time - style issues Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 30 7月, 2009 1 次提交
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rtc-cmos has two drivers, one PNP and one platform. When PNP has not succeeded probing, platform is registered. However, it tries to unregister both drivers unconditionally, instead of only unregistering those that were successfully registered. This causes runtime warnings to be emitted from the driver core code. Fix this with a boolean variable for each driver indicating whether registering was successful. Signed-off-by: NThadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Cc: David Brownell <david-b@pacbell.net> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Brownell <david-b@pacbell.net> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Greg KH <greg@kroah.com> Cc: Ozan Caglayan <ozan@pardus.org.tr> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 07 7月, 2009 1 次提交
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由 Jiri Slaby 提交于
When i2c_smbus_read_byte_data fails in ds1374_work, we forgot to unlock the held lock. Fix that. Signed-off-by: NJiri Slaby <jirislaby@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Scott Wood <scottwood@freescale.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 03 7月, 2009 1 次提交
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由 Yoichi Yuasa 提交于
Signed-off-by: NYoichi Yuasa <yuasa@linux-mips.org> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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- 01 7月, 2009 1 次提交
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由 Mike Frysinger 提交于
Make sure we do not actually request the RTC IRQ until the device driver is fully ready to handle and process any interrupt. This way a spurious interrupt won't crash the system (which may happen if the bootloader was poking the RTC right before booting Linux). Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 20 6月, 2009 1 次提交
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由 Atsushi Nemoto 提交于
The rtc_update_irq() might be called with irqs enabled, if a interrupt handler was registered without IRQF_DISABLED. Use spin_lock_irqsave/spin_unlock_irqrestore instead of spin_lock/spin_unlock. Also update kerneldoc and drivers which do extra work to follow the current interface spec, as suggestted by David Brownell. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 19 6月, 2009 6 次提交
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由 Atsushi Nemoto 提交于
IRQF_SHARED should not be used with IRQF_DISABLED. There is no in-tree user of this driver and only out-of-tree user I know uses a dedicated irq line for this RTC. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Atsushi Nemoto 提交于
IRQF_SHARED should not be used with IRQF_DISABLED. This RTC have a dedicated irq line to SoC's internal interrupt controller so there is no reason to use IRQF_SHARED. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Wolfgang Grandegger 提交于
Add support for the Epson RX-8025SA/NB RTC chips. It includes support for alarms, periodic interrupts (1 Hz) and clock precision adjustment. For clock precision adjustment, the SYSFS file "clock_adjust_ppb" gets created in "/sys/class/rtc/rtcX/device". It permits to set and get the clock adjustment in ppb (parts per billion), e.g.: # echo -183000 > /sys/class/rtc/rtc0/device/clock_adjust_ppb # cat /sys/class/rtc/rtc0/device/clock_adjust_ppb -183000 This allows to compensate temperature dependent clock drifts. According to the RX8025 SA/NB application manual the frequency and temperature characteristics can be approximated using the following equation: df = a * (ut - t)**2 df: Frequency deviation in any temperature a : Coefficient = (-35 +-5) * 10**-9 ut: Ultimate temperature in degree = +25 +-5 degree t : Any temperature in degree Signed-off-by: NWolfgang Grandegger <wg@grandegger.com> Signed-off-by: NSergei Poselenov <sposelenov@emcraft.com> Signed-off-by: NYuri Tikhonov <yur@emcraft.com> Signed-off-by: NDmitry Rakhchev <rda@emcraft.com> Signed-off-by: NMatthias Fuchs <matthias.fuchs@esd.eu> Acked-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Wolfram Sang 提交于
Add ds3231 variant. For that, the BBSQI bit position was changed from a simple define into a lookup-array as it differs. This also removes writing to an unused bit in case of the ds1337. Signed-off-by: NWolfram Sang <w.sang@pengutronix.de> Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Joakim Tjernlund 提交于
Extend the ds1307 driver to support ds1388 too. Signed-off-by: NJoakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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The RTC driver for ds1742 / ds1743 uses a static nvram attribute. This patch replaces this static attribute with one nvram attribute for each ds174x registered. The nvram size is not the same for all types of ds174x. The nvram size is accessible as the file size of the nvram attribute in sysfs. With only a single nvram attribute, this file size will be incorrect if more than one type of ds174x is present on a system. See the comment in the removed code below. This patch have been tested with linux-2.6.28 and linux-2.6.29-rc5/6 on a custom board with one ds1743. Signed-off-by: NTorsten Ertbjerg Rasmussen <ertbjerg@gmail.com> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 11 6月, 2009 1 次提交
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由 Linus Walleij 提交于
I found the PrimeCell/AMBA Bus drivers distrusting the resource passed in as part of the struct amba_device abstraction. This patch removes all hard coded resource sizes found in the PrimeCell drivers and move the responsibility of this definition back to the platform/board device definition, which already exist and appear to be correct for all in-tree users of these drivers. We do this using the resource_size() inline function which was also replicated in the only driver using the resource size, so that has been changed too. The KMI_SIZE was left in kmi.h in case someone likes it. Test-compiled against Versatile and Integrator defconfigs, seems to work but I don't posess these boards and cannot test them. Signed-off-by: NLinus Walleij <linus.walleij@stericsson.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 21 5月, 2009 1 次提交
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由 Alessandro Rubini 提交于
The second argument of the probe method points to the amba_id structure, so it's better passed with the correct type. None of the current in-tree drivers uses the pointer, so they have only been checked for a clean compile. Change suggested by Russell King. Signed-off-by: NAlessandro Rubini <rubini@unipv.it> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 13 5月, 2009 1 次提交
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由 Kim Kyuwon 提交于
This patch enables the alarm interrupt of TWL4030 RTC to wake up the system from suspend. You can test this patch with following command. # echo +10 > /sys/class/rtc/rtc0/wakealarm; echo mem > /sys/power/state; Signed-off-by: NKim Kyuwon <q1.kim@samsung.com> Acked-by: NDavid Brownell <david-b@pacbell.net> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 27 4月, 2009 1 次提交
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由 Paul Mundt 提交于
This adds rtc-generic support for SUPERH32. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 26 4月, 2009 1 次提交
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由 Hartley Sweeten 提交于
Update the rtc-ep93xx driver to use ioremap'ed addresses. This removes the dependency on <mach/hardware.h> and properly reports the memory addresses used by the driver in /proc/iomem. In addition, ep93xx_rtc_init() is updated to use platform_driver_probe() instead of platform_driver_register(). Also, the device_create_file() calls are now properly checked for error conditions. The created sysfs files are also now removed when the driver is removed. The version number for the driver has been bumped at the request of Alessandro Zummo. Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 22 4月, 2009 1 次提交
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由 Krzysztof Halasa 提交于
With no IRQ available/defined, RTC-CMOS driver prints something like: rtc0: alarms up to one no, y3k, 114 bytes nvram ^^^^ I guess the following is a bit easier to understand: rtc0: no alarms, y3k, 114 bytes nvram Signed-off-by: NKrzysztof Halasa <khc@pm.waw.pl> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 16 4月, 2009 1 次提交
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由 Paul Mundt 提交于
This adds clock framework support to the rtc-sh driver. With this in place, platforms can default to leaving the clock disabled rather than placing it in the always enabled state. Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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- 03 4月, 2009 2 次提交
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由 Daniel Glockner 提交于
Compared to the other supported chips, the m41t62 uses a different register to set the square wave frequency. Signed-off-by: NDaniel Glockner <dg@emlix.com> Cc: Chris Zankel <chris@zankel.net> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Rapoport 提交于
The v3020 RTC can be connected to GPIOs as well as to memory-like interface. Add ability to use GPIO bit-bang for v3020 read-write access. [akpm@linux-foundation.org: fix off-by-one in error path] Signed-off-by: NMike Rapoport <mike@compulab.co.il> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 02 4月, 2009 8 次提交
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由 Magnus Damm 提交于
Modify the sh_rtc driver to use set_irq_wake() during suspend and resume. These functions are used to enable the rtc interrupts in the interrupt controller so the rtc can be used to wakeup the system from suspend. Signed-off-by: NMagnus Damm <damm@igel.co.jp> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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由 Geert Uytterhoeven 提交于
Create a real RTC driver for PS3, and unhook the deprecated ppc_md.[gs]et_rtc_time. Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Acked-by: NGeoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
PowerPC has been a long time user of the generic RTC abstraction, so hook up rtc-generic: - Create the "rtc-generic" platform device if ppc_md.get_rtc_time is set, - Kill rtc-ppc, as rtc-generic offers the same functionality in a more generic way, and supports autoloading through udev. Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NDavid Woodhouse <David.Woodhouse@intel.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
m68k has been a long time user of the generic RTC abstraction, so hook up rtc-generic: - Create the "rtc-generic" platform device if mach_hwclk is set, - Add checks for mach_hwclk, in anticipation of RTC chip drivers being moved to drivers/rtc/. Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
The rtc-parisc driver is not PA-RISC specific at all, as it uses the existing (but deprecated) generic RTC infrastructure ([gs]et_rtc_time()). Rename the driver from rtc-parisc to rtc-generic. Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
Make udev autoload the driver Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
When using platform_driver_probe(), it's not needed to setup a .probe function, and .remove should be marked __exit_p(), not __devexit_p(). Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: dann frazier <dannf@hp.com> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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由 Geert Uytterhoeven 提交于
Signed-off-by: NGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NKyle McMartin <kyle@mcmartin.ca>
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- 01 4月, 2009 3 次提交
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由 Roel Kluin 提交于
new_alarm is unsigned so test before the subtraction. [akpm@linux-foundation.org: time-wrapping fix] Signed-off-by: NRoel Kluin <roel.kluin@gmail.com> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Rapoport 提交于
Signed-off-by: NMike Rapoport <mike@compulab.co.il> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Roel Kluin 提交于
With a postfix decrement retries will reach -1 rather than 0, so the warning and error-out will not occur. Signed-off-by: NRoel Kluin <roel.kluin@gmail.com> Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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